N›Taxpayer Notice Codes (TPNCs)
Form 990-T MFT 34 TPNCs
Internal Revenue Manual Part 3. Submission Processing · 2026-10-03 edition · updated 2026-10-04 · United States
See the list of taxpayer notice codes for Form 990-T, Exempt Organization Business Income Tax Return, in IRM 3.12.12-13, Form 990-T Taxpayer Notice Codes (TPNC).
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